Description 1,1′-Dianthrimide, 96.6%, 1g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Dark red Appearance (Form) Powder Elemental Analysis (ex N) 96.6% Elemental Analysis [C] 78.28% [H] 3.48% [N] 3.15% Infrared Spectrum Conforms to structure Residue on Ignition 0.08% CAS: 82-22-4 FORMULA: C28H15NO4